Eye mask



FIG. 1 is a front view of an eye mask showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

The broken lines shown in the drawings represent portions of the eye mask that form no part of the claimed design. 

CLAIM The ornamental design for an eye mask, as shown and described. 